Question

Do Q4 to 7 fast please​

Answer 1

The side of the square is said to be 25cm. Therefore the perimeter is 25×2 which is equal to 50cm.

Substitute it in the perimeter formula of a rectangle

Given, length = 30cm

2(l+b) = 50cm

l+b = 100cm

30 + b = 100cm

b = 100-30

Therefore b = 70cm.